– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 10 pm Wed 25 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 10 pm Wed 25 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 10 pm Wed 25 Mar Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryA dusting of snow on Wed night. Freezing level rising with drizzle on Thu morning. Freeze-thaw conditions (max 8°C on Fri afternoon, min -2°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 6°C on Sun afternoon, min -3°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | |  |  |  | | |  |  | |  | | |  | |
snow shwrs | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | some clouds | cloudy | light rain | rain shwrs | some clouds | cloudy | light snow | clear | clear | clear | cloudy | cloudy | light rain | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
4 | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — | — | |
— | 0.4 | 0.5 | — | — | — | — | — | 0.3 | 0.2 | — | — | 0.1 | — | — | — | — | — | 0.4 | |
max °C | 0 | 2 | 4 | 1 | 7 | 8 | 4 | 5 | 6 | 3 | 3 | 6 | 3 | 0 | 1 | -2 | 2 | 4 | 3 |
min °C | -2 | 0 | 4 | -1 | 3 | 8 | 1 | 2 | 5 | -1 | 0 | 5 | 0 | -2 | 1 | -3 | -1 | 4 | 2 |
-5 | 0 | 3 | -3 | 3 | 8 | 1 | 2 | 4 | -1 | 0 | 4 | -2 | -5 | -2 | -5 | -1 | 4 | 2 | |
0 | 750 | 1000 | 0 | 1750 | 1700 | 1550 | 1200 | 1100 | 550 | 900 | 1150 | 700 | 550 | 650 | 0 | 800 | 1050 | 1050 | |
Cloud base (m) | 750 | 700 | 2050 | 600 | 950 | 5350 | 1600 | 800 | 850 | 650 | 850 | 2500 | 550 | 650 | 1600 | 650 | 5550 | 3050 | 2000 |
 | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — |
 | — | — | 7:29 | — | — | 7:30 | — | — | 7:31 | — | — | 7:32 | — | — | 7:35 | — | — | 7:36 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: A dusting of snow on Wed night. Freezing level rising with drizzle on Thu morning. Freeze-thaw conditions (max 8°C on Fri afternoon, min -2°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
A dusting of new snow. Freeze-thaw conditions (max 6°C on Sun afternoon, min -3°C on Mon night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.